On Wed, Jan 23, 2013 at 02:32:44PM +0800, Liu Ying wrote:
> This patch adds at24c512b i2c device to the device tree
> along with the necessary i2c device node and pinctrl
> settings for i2c bus.
> The eeprom chip is populated on the accessory board of
> the imx51-babbage board.
Given that it's optional should the binding be here anyway? I don't have
this accessory board and this may conflict with the boards other people
have connected on this port.
Sascha
>
> Signed-off-by: Liu Ying <Ying.Liu@xxxxxxxxxxxxx>
> ---
> arch/arm/boot/dts/imx51-babbage.dts | 12 ++++++++++++
> arch/arm/boot/dts/imx51.dtsi | 9 +++++++++
> 2 files changed, 21 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/boot/dts/imx51-babbage.dts b/arch/arm/boot/dts/imx51-babbage.dts
> index 567e7ee..4f0fc75 100644
> --- a/arch/arm/boot/dts/imx51-babbage.dts
> +++ b/arch/arm/boot/dts/imx51-babbage.dts
> @@ -241,6 +241,18 @@
> };
> };
>
> + i2c@83fc8000 { /* I2C1 */
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c1_1>;
> + status = "okay";
> +
> + at24@50 {
> + compatible = "at24,24c512b";
> + pagesize = <128>;
> + reg = <0x50>;
> + };
> + };
> +
> audmux@83fd0000 {
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_audmux_1>;
> diff --git a/arch/arm/boot/dts/imx51.dtsi b/arch/arm/boot/dts/imx51.dtsi
> index 1f5d45e..6495c69 100644
> --- a/arch/arm/boot/dts/imx51.dtsi
> +++ b/arch/arm/boot/dts/imx51.dtsi
> @@ -311,6 +311,15 @@
> };
> };
>
> + i2c1 {
> + pinctrl_i2c1_1: i2c1grp-1 {
> + fsl,pins = <
> + 4 0x400001ed /* MX51_PAD_EIM_D16__I2C1_SDA */
> + 23 0x400001ed /* MX51_PAD_EIM_D19__I2C1_SCL */
> + >;
> + };
> + };
> +
> i2c2 {
> pinctrl_i2c2_1: i2c2grp-1 {
> fsl,pins = <
> --
> 1.7.1
>
>
>
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